16719909921

Names of 16719909921

• Cardinal: 16719909921 can be written as Sixteen billion, seven hundred nineteen million, nine hundred nine thousand, nine hundred twenty-one.

Scientific notation

• Scientific notation: 1.6719909921 × 10¹⁰

Factors of 16719909921

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 213

Divisors of 16719909921

• Number of divisors d(n): 320
• Complete list of divisors:
  1 3 9 11 13 17 19 27 33 39 41 51 57 81 99 109 117 123 143 153 171 187 209 221 247 297 323 327 351 369 429 451 459 513 533 561 627 663 697 741 779 891 969 981 1053 1107 1199 1287 1353 1377 1417 1539 1599 1683 1853 1881 1989 2071 2091 2223 2337 2431 2717 2907 2943 3321 3553 3597 3861 4059 4199 4251 4469 4797 5049 5559 5643 5863 5967 6213 6273 6669 7011 7293 7667 8151 8569 8721 8829 9061 10127 10659 10791 11583 12177 12597 12753 13243 13407 14391 15147 15587 16677 16929 17589 17901 18639 18819 20007 20383 21033 21879 22781 23001 24089 24453 25707 26163 26923 27183 30381 31977 32373 35207 36531 37791 38259 39729 40221 43173 46189 46761 49159 50031 52767 55917 56457 58097 61149 63099 65637 68343 69003 72267 73359 75973 77121 80769 81549 84911 91143 95931 97119 99671 105621 111397 113373 114777 119187 120663 138567 140283 145673 147477 150093 158301 167751 172159 174291 183447 196911 205029 207009 216801 220077 227919 231363 242307 244647 254733 264979 273429 287793 296153 299013 316863 334191 340119 357561 361989 387277 415701 420849 437019 442431 457691 474903 516477 522873 550341 615087 621027 639067 650403 683757 694089 726921 733941 764199 794937 820287 835703 888459 897039 934021 950589 987649 1002573 1072683 1103843 1161831 1247103 1262547 1311057 1327293 1373073 1443487 1549431 1568619 1651023 1845261 1893749 1917201 1951209 2051271 2180763 2292597 2384811 2507109 2665377 2691117 2802063 2851767 2962947 3007719 3311529 3485493 3741309 3933171 3981879 4119219 4330461 4648293 4705857 5034601 5681247 5751603 6153813 6877791 7154433 7521327 7996131 8073351 8406189 8888841 9023157 9934587 10456479 10864139 11799513 12142273 12357657 12991383 13944879 15103803 15878357 17043741 17254809 18765331 21463299 22563981 23988393 25218567 26666523 29803761 31369437 32592417 36426819 37072971 38974149 45311409 47635071 51131223 51764427 56295993 67691943 75655701 79999569 89411283 97777251 109280457 116922447 135934227 142905213 153393669 168887979 206418641 293331753 327841371 407802681 428715639 506663937 619255923 879995259 983524113 1286146917 1519991811 1857767769 5573303307 16719909921
• Sum of all divisors σ(n): 33809529600
• Sum of proper divisors (its aliquot sum) s(n): 17089619679
• 16719909921 is an abundant number, because the sum of its proper divisors (17089619679) is greater than itself. Its abundance is 369709758

Bases of 16719909921

• Binary: 1111100100100101011001010000100001₂
• Hexadecimal: 0x3E4959421
• Base-36: 7OILP29

Squares and roots of 16719909921

• 16719909921 squared (16719909921²) is 279555387766354226241
• 16719909921 cubed (16719909921³) is 4674140901383668057327174436961
• The square root of 16719909921 is 129305.4906838839
• The cube root of 16719909921 is 2557.0819371517

Scales and comparisons

• 16,719,909,921 seconds is equal to 531 years, 33 weeks, 2 days, 11 hours, 25 minutes, 21 seconds.
• To count from 1 to 16,719,909,921 would take you about one thousand and sixty-three years!

  This is a very rough estimate, based on a speaking rate of half a second every third order of magnitude. If you speak quickly, you could probably say any randomly-chosen number between one and a thousand in around half a second. Very big numbers obviously take longer to say, so we add half a second for every extra x1000. (We do not count involuntary pauses, bathroom breaks or the necessity of sleep in our calculation!)

• A cube with a volume of 16719909921 cubic inches would be around 213.1 feet tall.

Recreational maths with 16719909921

• 16719909921 backwards is 12990991761
• The number of decimal digits it has is: 11
• The sum of 16719909921's digits is 54
• More coming soon!